/*****************************************************************
 * Program 0: Hello World 
 * Programmer: Insert your name here 
 * 
 * Due Date: 
 * Class: COMP 14-002         Instructor: Joshua Stough
 *         
 * Pledge: I have neither given nor received unauthorized aid
 * on this program.     (signature on file)
 *
 * Description: This program prints out a greeting to the world.
 *
 * Input: None
 *
 * Output: A friendly greeting
 *
 * Questions:
 *    1) What was the result of compiling after you deleted the
 *       curly brace ({)?
 *
 *    2) What was the result of compiling after you deleted the
 *       semicolon?
 *    
 *    3) Add an additional double quote (") inside the
 *       "Hello world!".  what is the resultant compile?
 ******************************************************************/

   import java.text.*;

    public class Hello_World
   {
      	
       public static void main(String[] args)
      {
      
         System.out.println ("Hello World!"); 
			
			int [] a = new int[1000];
			for (int i = 0; i < a.length; i ++)
				a[i] = i + 1;
				
				
			System.out.println("There are " + numPerfSq(a) + " perfect squares in the array.");
			          
      
      
      }
   
		public static int numPerfSq(int [] a)
		{
		 	int c = 0;
			for (int i = 0; i < a.length; i ++)
			{
				if (Math.sqrt( a[i]) == Math.floor(Math.sqrt( a[i])))
				{
					System.out.print(a[i] + " " );
					c ++; 
					}
			}
			
			return c;///a.length;
		}
		
       public static int mystery(int first, int last)
      {
         if (first > last)
            return 0;
         else if (first == last)
            return first;
         else
            return first + mystery(first + 1, last - 1);
      }
   }